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RK65

Information - Help 
ID = 25759
       
Country:
United States of America (USA)
Brand: Raytheon Mfg. Co.; Cambridge, MA
Tube type:  Transmitting Tetrode, air cooled 
Identical to RK65 = 5D23

Filament Vf 5 Volts / If 14 Ampere / Direct
Description Power tetrode, thoriated tungsten filament, tantalum plate and grids, hard glass bulb. 215W anode dissipation; up to 60MHz full ratings operation, up to 140MHz with reduced ratings and forced air cooling. Plate to the top cap and grids to two side contacts; Jumbo 4-pin bayonet base.
Plate shows a yellowish-red color when operated at maximum ratings. 
Dimensions (WHD)
incl. pins / tip
72 x 184 x mm / 2.83 x 7.24 x inch
Information source - - Manufacturers Literature   
 
rk65_raytheon_img_02_rmf.jpg
RK65: My Collection
Bruce Morgenstern

 
rk65_so.png
RK65: ARRL Handbook 1972
Michael Schlör

 
5d23rk65_01.png
RK65: Manufacturer's Literature
Emilio Ciardiello



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